iommu/vt-d: Downgrade the warning if enabling irq remapping fails

This triggers on a MacBook Pro.
See https://bugzilla.redhat.com/show_bug.cgi?id=948262 for
the problem report.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Joerg Roedel <joro@8bytes.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 5b19b2d6ec2d..f71673dbb23d 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -664,8 +664,7 @@ error:
          */
 
         if (x2apic_present)
-                WARN(1, KERN_WARNING
-                        "Failed to enable irq remapping.  You are vulnerable to irq-injection attacks.\n");
+                pr_warn("Failed to enable irq remapping.  You are vulnerable to irq-injection attacks.\n");
 
         return -1;
 }